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-rw-r--r--OLD/ee1301/wk5/lab4/swappy.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/OLD/ee1301/wk5/lab4/swappy.cpp b/OLD/ee1301/wk5/lab4/swappy.cpp
new file mode 100644
index 0000000..a2810a6
--- /dev/null
+++ b/OLD/ee1301/wk5/lab4/swappy.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+using namespace std;
+
+void swap (int &a, int &b);
+int main(int argc, char* argv[]) {
+ if (argc !=2) {
+ cout << "Incorrect number of arguments! USAGE:" << endl
+ << " swappy <string>" << endl;;
+ return 3;
+ }
+ int i;
+ for (i=0; i<10000; i++) {
+ if (argv[1][i]=='\0') {
+ break;
+ }
+ }
+ swap(argv[1][0],argv[1][(i-1)]);
+ cout << argv[1] << endl;
+
+}
+void swap (char &a, char &b) {
+ char temp;
+ temp=a; a=b; b=temp;
+}